Method and apparatus for providing OSD data for OSD display in a video signal having an enclosed format
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United States of America Patent
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-
Jul 6, 2004
Grant Date -
N/A
app pub date -
Dec 14, 1999
filing date -
Dec 21, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
TVs and other consumer electronics devices like VCRs and DVD players use on-screen display of messages. For display together with MPEG encoded video signals the picture content of an OSD text or graphic is stored in a non-volatile memory in a specific format: the OSD text or graphic content is divided into macroblock units and the OSD macroblock data are stored in MPEG encoded form in the memory. The OSD macroblocks to be displayed are then handled as a slice.
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